TBSE Class 12 Syllabus 2023 Biology

Class XII : Biology: Pre-Board : 2022-23 : Marks 70 Table : Distribution of Marks Unit Topic MCQ VSA SA I SA II LA I LA Total Unit (1) (1) (2) (3) (4) II Marks Total (5) Sexual Reproduction in 1 1 2 - - - 6 VI Flowering Plants 16 Human Reproduction - 1 - - - 1 6 Reproductive Health 1 - - 1 - - 4 Principles of 1 2 - 1 - - 6 Inheritance & 20 VII Variation Molecular basis of 1 2 - - - 1 8 Inheritance Evolution 1 1 2 - - - 6 Human Health & - 3 - - 1 - 7 VIII Disease 12 Microbes & Human 1 4 - - - - 5 Welfare [Antibiotics excluded*] Biotechnology – 2 2 1 - - - 6 Principle & Processes 12 IX Biotechnology & Its 1 2 - 1 - - 6 applications [Human insulin,vaccine production,,stem cell technology excluded] Organisms & - - - 1 - - 3 X population 10 Ecosystem - - - - 1 - 4 Biodiversity & Its 1 2 - - - - 3 Conservation Total Marks (Questions) 1x10( 1x20 2x5 3x4 4x2 5x2 70 (43) 70 10) (20) (5) (4) (2) (2)